EP2115314B1 - Plug for brake caliper - Google Patents
Plug for brake caliper Download PDFInfo
- Publication number
- EP2115314B1 EP2115314B1 EP07859225A EP07859225A EP2115314B1 EP 2115314 B1 EP2115314 B1 EP 2115314B1 EP 07859225 A EP07859225 A EP 07859225A EP 07859225 A EP07859225 A EP 07859225A EP 2115314 B1 EP2115314 B1 EP 2115314B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- caliper
- plug
- cavity
- containment body
- piston
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 description 7
- 239000007787 solid Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
- H02P9/04—Control effected upon non-electric prime mover and dependent upon electric output value of the generator
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
- H02P9/06—Control effected upon clutch or other mechanical power transmission means and dependent upon electric output value of the generator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
- F16D2055/0004—Parts or details of disc brakes
- F16D2055/0016—Brake calipers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2125/00—Components of actuators
- F16D2125/02—Fluid-pressure mechanisms
- F16D2125/04—Cylinders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2125/00—Components of actuators
- F16D2125/02—Fluid-pressure mechanisms
- F16D2125/06—Pistons
Definitions
- the present invention relates to a caliper for brakes that can be applied to members moving relative to each other.
- the present invention relates to a caliper for disc brakes, for example for bicycles and motorcycles.
- the disc brake comprises a disc solid to the wheel of the vehicle and a brake caliper mounted, by means of suitable supports, to a part of the same vehicle.
- the caliper is provided with one or more small pistons which close up onto the disc to exert the braking action by means of either a pedal-operated pump mounted close to one of the footboard of the motorcycle, or a lever disposed on the handlebar of same motorcycle.
- the pads are usually made from sintered, organic or combined materials (semimetallic, carbon, ceramic%) having high friction capacity and being resistant to high temperatures.
- This embodiment allows achieving a greater structural resistance of the whole braking system, but gives however problems relative to the accessibility necessary for assembling the components and, in general, when carrying out the machining operations inside the body of the same caliper (seats of pistons and gaskets, hydraulic channels).
- Said hole must then be hermetically sealed by a plug.
- this plug is applied on the caliper body, usually in alignment with the axis of the pistons and fixed, for example, by means of threaded elements on the containment body, thereby requiring added material with consequent increase of the caliper's overall dimensions.
- a second drawback, again caused by the presence of added material provided for housing the plug, is given by the fact that a caliper having such added material can be mounted on the vehicle only on a single part of the wheel.
- the caliper must be mounted on the vehicle so that the added material will face the outside of the wheel in order not to interfere, for example, with the spokes of the wheel of a bicycle or motorcycle.
- a known caliper for disk brakes is described in DE -A-102004040422 , showing a piston guided into the caliper for pressing of a brake pad against a brake disc.
- the object of the present invention is to provide a for brakes positional reference for the gasket disposed in the housing seat inside the cavity, the piston tight-seal sliding on said gasket.
- the containment body 2 results substantially symmetrical to the plane "X" save for the supports 15.
- the containment body 2 exhibits two opposite portions 2a, 2b with equal overall dimensions along the direction "Y" and comprising the same components (pistons 3, 5, gaskets 4, 16), except for a plug 1 included only in the first portion 2a in order to seal tightly a cavity 20 housing the piston 3, as shown in Fig. 1 .
- the plug 1 has an external surface 1c and can be fixed in the cavity 20 to close it off.
- the tight sealing of the cavity 20 is made by fixing the plug 1, the latter being screwed into a threaded hole 8 formed directly in the containment body 2 (as shown in Fig. 5 ).
- the upper surface "S" of plug 1 results flush with, or at a level below the upper surface "P" of the first portion 2a of containment body 2.
- the second portion 2b of containment body 2 is in fluid communication with the first portion 2a and comprises a cavity 17 in which a second piston 5 is disposed for acting along the same axis "Y" of piston 3 but in opposite direction.
- the second piston 5 slides inside the cavity 17 and in contact with a sealing gasket 16 disposed in a seat formed on the same containment body 2.
- the first piston 3 and the second piston 5 are associated with respective pads 6 (of known type) which transmits the friction force onto a disc 7 (of known type) solid to the wheel and interposed between said pads.
- a brake caliper also comprises at least one gasket 4 disposed in a seat inside the cavity 20 so that, when the plug 1 is screwed into the containment body 2, a first end 1b will result into abutment on the same gasket 4, that is, will provide a positional reference for the gasket 4.
- the piston 3 Upon the assembly, preferably prior to the positioning of the plug 1 for the closing of cavity 20, the piston 3 is disposed inside the same cavity 20 for operatively sliding at least partially inside the plug 1 and in contact with the gasket 4 or close thereto.
- the piston 3 slides directly onto the inner surface 1d of the plug 1, the latter carrying out therefore the function of cylinder for the piston 3.
- a preferred embodiment of the plug 1 which comprises on its upper end 1a a concave surface 10 allowing the formation of the seat for inserting a tool to be used for the screwing/unscrewing of the same plug 1 (also shown in Fig. 3 ), said concave surface being substantially counter shaped to a convex surface 9 formed on the upper end 3a of piston 3.
- the plug 1 also comprises on its end 1a one or more sealing gaskets 12 which allow maintaining a tight-seal condition of the cavity 20 and making more difficult the spontaneous unscrewing of same plug.
- the brake caliper also comprises supports 15 for fixing the same brake caliper on the vehicle or on any member to be slowed down and/or stopped, for example threaded connections, or through slots, of a type known per se and therefore not to be described in greater detail.
- the brake caliper is connected with a user-operable brake control (for example a footboard or a lever) by means of at least one connection conduit 13, 14 holding a fluid.
- a user-operable brake control for example a footboard or a lever
- connection conduit 13, 14 holding a fluid.
- a first advantage lies in the fact that a brake caliper according to the present invention allows disposing the plug 1, which is capable of tightly sealing the cavity 20, fully within the internal dimensions of same cavity 20, thereby achieving a caliper without added material and thus symmetric to the plane "X", and of less overall dimensions with respect to the known brake calipers.
- the obtainment of symmetric caliper brings about also significant advantages both in terms of balance of braking forces and possibility of assembling the caliper with the portion 2a of containment body 2 (that is, the portion comprising the plug 1) either on the inner or on the outer side of the vehicle's wheel.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
Description
- The present invention relates to a caliper for brakes that can be applied to members moving relative to each other.
- In particular, the present invention relates to a caliper for disc brakes, for example for bicycles and motorcycles.
- As it is known, the disc brake comprises a disc solid to the wheel of the vehicle and a brake caliper mounted, by means of suitable supports, to a part of the same vehicle. The caliper is provided with one or more small pistons which close up onto the disc to exert the braking action by means of either a pedal-operated pump mounted close to one of the footboard of the motorcycle, or a lever disposed on the handlebar of same motorcycle.
- In particular, the small pistons are in contact with the respective pads, which are the components actually exerting the braking action on the disc.
- The pads are usually made from sintered, organic or combined materials (semimetallic, carbon, ceramic...) having high friction capacity and being resistant to high temperatures.
- After the release of the brake control by the user, the small pistons and, thus, the pads, return approximately to the initial position, due also to the action exerted by an elastic means interposed therebetween.
- It is a growing trend to produce calipers for disc brakes in one-piece component.
- This embodiment allows achieving a greater structural resistance of the whole braking system, but gives however problems relative to the accessibility necessary for assembling the components and, in general, when carrying out the machining operations inside the body of the same caliper (seats of pistons and gaskets, hydraulic channels...).
- To overcome this drawback it results therefore crucial to form at least a hole for access into the containment body of the brake caliper.
- Said hole must then be hermetically sealed by a plug.
- In the known brake calipers, this plug is applied on the caliper body, usually in alignment with the axis of the pistons and fixed, for example, by means of threaded elements on the containment body, thereby requiring added material with consequent increase of the caliper's overall dimensions.
- The known calipers for brakes are not therefore without drawbacks.
- A first drawback lies in the fact that in the known calipers, the presence of the plug needs the said added material to form a housing for the same plug, such provision giving rise to an asymmetry of the caliper that may generate braking forces not perfectly balanced between the piston acting in the caliper portion which includes the plug, and the piston acting in the opposite portion.
- A second drawback, again caused by the presence of added material provided for housing the plug, is given by the fact that a caliper having such added material can be mounted on the vehicle only on a single part of the wheel. In particular, the caliper must be mounted on the vehicle so that the added material will face the outside of the wheel in order not to interfere, for example, with the spokes of the wheel of a bicycle or motorcycle.
- A known caliper for disk brakes is described in
DE -A-102004040422 , showing a piston guided into the caliper for pressing of a brake pad against a brake disc. - In this known caliper, the piston slides on a pivot formed in the caliper and extending into an internal through hole centrically arranged in the piston.
- The object of the present invention is to provide a for brakes positional reference for the gasket disposed in the housing seat inside the cavity, the piston tight-seal sliding on said gasket.
- The technical characteristics of the invention, according to the above objects, are clearly set forth in the appended claims, the advantages of the same invention being more evident from the detailed description that follows with reference to the accompanying drawings, which show an exemplary and non-limiting embodiment thereof. In the drawings:
-
Fig. 1 is a first section view of a brake caliper according to the present invention; -
Fig. 2 is a second section view of a brake caliper according to the present invention; -
Fig. 3 is a side view of brake caliper shown in the previous figures; -
Fig. 4 shows in detail a preferred embodiment of a plug used in a brake caliper according to the present invention; and -
Fig. 5 shows in detail a possible type of piston used in a brake caliper according to the present invention. Described herebelow, according to the accompanying drawings and reference being made in particular toFigs. 1 to 3 , is a brake caliper comprising a one-piece containment body 2 having an external surface and being substantially symmetrical to a plane "X". - The
containment body 2 comprises, on afirst portion 2a, acavity 20 allowing access to the inner regions of the brake caliper to ease the assembly upon production (for example ofpistons 3, 5) and any service operation to be carried out also after the assembly of the caliper on the vehicle or a generic member to be slowed down and/or stopped. - More precisely, the
containment body 2 results substantially symmetrical to the plane "X" save for thesupports 15. - In particular, the
containment body 2 exhibits twoopposite portions pistons gaskets 4, 16), except for a plug 1 included only in thefirst portion 2a in order to seal tightly acavity 20 housing thepiston 3, as shown inFig. 1 . - The plug 1 has an
external surface 1c and can be fixed in thecavity 20 to close it off. - Advantageously, the tight sealing of the
cavity 20 is made by fixing the plug 1, the latter being screwed into a threadedhole 8 formed directly in the containment body 2 (as shown inFig. 5 ). - Under a closing condition of
cavity 20, theexternal surface 1c of plug 1 remains fully within the overall dimensions defined by the external surface of thecontainment body 2. - More precisely, with reference to
Fig. 4 , the upper surface "S" of plug 1 results flush with, or at a level below the upper surface "P" of thefirst portion 2a ofcontainment body 2. - The
second portion 2b ofcontainment body 2 is in fluid communication with thefirst portion 2a and comprises acavity 17 in which asecond piston 5 is disposed for acting along the same axis "Y" ofpiston 3 but in opposite direction. - The
second piston 5 slides inside thecavity 17 and in contact with a sealinggasket 16 disposed in a seat formed on thesame containment body 2. - The
first piston 3 and thesecond piston 5 are associated with respective pads 6 (of known type) which transmits the friction force onto a disc 7 (of known type) solid to the wheel and interposed between said pads. - Preferably, a brake caliper according to present invention also comprises at least one
gasket 4 disposed in a seat inside thecavity 20 so that, when the plug 1 is screwed into thecontainment body 2, afirst end 1b will result into abutment on thesame gasket 4, that is, will provide a positional reference for thegasket 4. - Upon the assembly, preferably prior to the positioning of the plug 1 for the closing of
cavity 20, thepiston 3 is disposed inside thesame cavity 20 for operatively sliding at least partially inside the plug 1 and in contact with thegasket 4 or close thereto. - The assembly and service operations are made easier by the fact that the distance "d" between the
pistons - In particular, the
piston 3 slides directly onto theinner surface 1d of the plug 1, the latter carrying out therefore the function of cylinder for thepiston 3. Described hereunder, with reference in particular toFig. 4 , is a preferred embodiment of the plug 1 which comprises on itsupper end 1a aconcave surface 10 allowing the formation of the seat for inserting a tool to be used for the screwing/unscrewing of the same plug 1 (also shown inFig. 3 ), said concave surface being substantially counter shaped to aconvex surface 9 formed on theupper end 3a ofpiston 3. - In this embodiment, the plug 1 also comprises on its
end 1a one or more sealinggaskets 12 which allow maintaining a tight-seal condition of thecavity 20 and making more difficult the spontaneous unscrewing of same plug. - This solution makes it possible to obtain a reduction of the overall dimensions and weights of the caliper, which is most important for example in the bicycle and motorcycle field.
- The brake caliper also comprises supports 15 for fixing the same brake caliper on the vehicle or on any member to be slowed down and/or stopped, for example threaded connections, or through slots, of a type known per se and therefore not to be described in greater detail.
- The brake caliper is connected with a user-operable brake control (for example a footboard or a lever) by means of at least one connection conduit 13, 14 holding a fluid. In operation, when the two
cavities connectors pistons containment body 2, so as to generate at least one motion component along the axis "Y". - The movement of
pistons pads 6, associated therewith, in contact with thebrake disc 7, thereby generating a braking force necessary for slowing down and/or stopping the vehicle. - The moment the user releases the brake control, the
pistons respective pads 6, move back to the initial position, thereby facilitating the detachment of thebrake disc 7 through the action of an elastic means 11 (in the illustrated example being a spiral spring) interposed between thepads 6. - The above achieves important advantages.
- A first advantage lies in the fact that a brake caliper according to the present invention allows disposing the plug 1, which is capable of tightly sealing the
cavity 20, fully within the internal dimensions ofsame cavity 20, thereby achieving a caliper without added material and thus symmetric to the plane "X", and of less overall dimensions with respect to the known brake calipers. The obtainment of symmetric caliper brings about also significant advantages both in terms of balance of braking forces and possibility of assembling the caliper with theportion 2a of containment body 2 (that is, the portion comprising the plug 1) either on the inner or on the outer side of the vehicle's wheel. - The invention thus conceived is evidently suited for industrial application; the same invention can also be subjected to several modifications and changes falling within the scope of the claims.
Claims (15)
- Caliper for brakes comprising: a containment body (2) having a cavity (20), a plug (1) provided with means for fixedly closing-off said cavity (20), and having an end (1b), at least a gasket (4) disposed in a housing seat formed inside said cavity (20), a piston (3) tight-seal sliding on said gasket (4), characterized in that, under closing condition, said end (1b) of said plug (1) is into abutment with said gasket (4).
- Caliper for brakes according to claim 1, wherein the plug (1) has an internal surface (1d), the piston (3) disposed for sliding within said cavity (20) at least partially along said internal surface (1d) of said plug (1).
- Caliper according to any of the preceding claims wherein said plug comprises on the upper end (1a) a concave surface (10).
- Caliper according to any of the preceding claims wherein said piston (3) comprises on the upper end (3a) a convex surface (9).
- Caliper according to claim 4 wherein said convex surface (9) of said piston (3) is counter shaped to said concave surface (10) of said plug (1).
- Caliper according to any of the preceding claims wherein said containment body (2), in proximity of said cavity (20), comprises a threaded portion (8) for fixing said plug (1) inside said cavity (20).
- Caliper according to any of the preceding claims wherein said containment body (2) is one-piece component.
- Caliper according to any of the preceding claims further comprising at least one support (15) for fixing said caliper on a structure.
- Caliper according to any of the preceding claims wherein said containment body (2) comprises a second portion (2b) in which a second piston (5) is disposed.
- Caliper according to claim 9 wherein said second portion (2b) is in fluid connection with said first portion (2a) of said containment body (2).
- Caliper according to any of the preceding claims further comprising at least one conduit (13), (14) for connection with a brake-controlling member.
- Caliper according to any of the preceding claims wherein said pistons (3), (5) comprise at least one sealing gasket.
- Caliper according to any of the preceding claims wherein said pistons (3), (5) exert a thrust onto said brake disc (7) through at least one motion component along the axis (Y) with opposite directions via respective pads (6).
- Caliper for brakes according to any of the preceding claims wherein the one-piece containment body (2) has an external surface (P), said containment body (2) being substantially symmetrical to a plane (X) and having the cavity (20) for housing a plug (1) inside a first portion (2a) under the closing condition of said cavity (20) the external surface (S) of said plug (1) remains fully within the overall dimensions defined by the external surface (P) of said containment body (2).
- Vehicle comprising a caliper for brakes according to any of the preceding claims, said vehicle being a bicycle o a motorcycle.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT000019A ITFI20070019A1 (en) | 2007-01-31 | 2007-01-31 | CAP FOR BRAKE CALIPER |
PCT/IB2007/004158 WO2008093162A1 (en) | 2007-01-31 | 2007-12-24 | Plug for brake caliper |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2115314A1 EP2115314A1 (en) | 2009-11-11 |
EP2115314B1 true EP2115314B1 (en) | 2012-04-11 |
Family
ID=39301504
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07859225A Active EP2115314B1 (en) | 2007-01-31 | 2007-12-24 | Plug for brake caliper |
Country Status (6)
Country | Link |
---|---|
US (1) | US20100072005A1 (en) |
EP (1) | EP2115314B1 (en) |
CN (1) | CN101595323A (en) |
AT (1) | ATE553312T1 (en) |
IT (1) | ITFI20070019A1 (en) |
WO (1) | WO2008093162A1 (en) |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE26106E (en) * | 1966-11-01 | Automatic brake adjusting mechanisms | ||
US3095064A (en) * | 1956-03-21 | 1963-06-25 | Bendix Corp | Combination adjuster and reset mechanism |
US3081843A (en) * | 1960-05-25 | 1963-03-19 | Dayton Steel Foundry Co | Improvement in caliper type disk brakes |
US3112014A (en) * | 1961-01-30 | 1963-11-26 | Harold W Nash | Compensating brake structure |
AU416990B2 (en) * | 1967-10-06 | 1971-09-14 | Societe Anonyme D. B. A | Disc brake |
DE3026817A1 (en) * | 1980-07-16 | 1982-02-11 | Alfred Teves Gmbh, 6000 Frankfurt | FLOATING SADDLE PARTIAL DISC BRAKE, ESPECIALLY FOR MOTOR VEHICLES |
US4428461A (en) * | 1982-03-01 | 1984-01-31 | General Motors Corporation | Disc brake caliper assembly |
DE3916741A1 (en) * | 1989-05-23 | 1990-11-29 | Knorr Bremse Ag | DISC BRAKE FOR VEHICLES |
JP3110148B2 (en) * | 1992-04-27 | 2000-11-20 | トキコ株式会社 | Disc brake and manufacturing method thereof |
US6119818A (en) * | 1998-03-13 | 2000-09-19 | Gustav Magenwirth Gmbh & Co. | Disk brake |
JP2002333043A (en) * | 2001-05-10 | 2002-11-22 | Sumitomo Denko Brake Systems Kk | Disc brake |
DE102004001495A1 (en) * | 2004-01-09 | 2005-08-11 | Gustav Magenwirth Gmbh & Co. Kg | Brake calliper and method for making a housing of a brake caliper |
DE102004040422A1 (en) * | 2004-08-19 | 2006-03-09 | Pee-Wee Kaltwalz- Und Rohrbearbeitungsmaschinen Gmbh | Bicycle disc brake caliper, has piston with internal guidance, which is formed by pivot of brake caliper part, where pivot extends into internal drill hole that is designed as through hole and piston slides on pivot by using bushing |
US20060289249A1 (en) * | 2005-06-22 | 2006-12-28 | Seiji Nishimura | Sliding cylinder bore caliper assembly |
US20070163851A1 (en) * | 2005-12-29 | 2007-07-19 | Derek Alexander | High thermal transfer caliper |
US7971689B2 (en) * | 2008-03-28 | 2011-07-05 | Wayne-Ian Moore | Hydraulic caliper brake assembly for a bicycle |
JP5292191B2 (en) * | 2009-06-08 | 2013-09-18 | 日立オートモティブシステムズ株式会社 | Disc brake and manufacturing method thereof |
-
2007
- 2007-01-31 IT IT000019A patent/ITFI20070019A1/en unknown
- 2007-12-24 AT AT07859225T patent/ATE553312T1/en active
- 2007-12-24 WO PCT/IB2007/004158 patent/WO2008093162A1/en active Application Filing
- 2007-12-24 EP EP07859225A patent/EP2115314B1/en active Active
- 2007-12-24 CN CNA2007800507264A patent/CN101595323A/en active Pending
- 2007-12-24 US US12/523,903 patent/US20100072005A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
ITFI20070019A1 (en) | 2008-08-01 |
WO2008093162A1 (en) | 2008-08-07 |
CN101595323A (en) | 2009-12-02 |
US20100072005A1 (en) | 2010-03-25 |
ATE553312T1 (en) | 2012-04-15 |
EP2115314A1 (en) | 2009-11-11 |
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